Massive Audio F3 - Flare Horn Pro Audio for Cars and DJ Compression Drivers, 60x 40, 1 Inch Screw On | Sold Individually Sold As Each, Compression Driver not Included | SAVE 10% - Buy ANY 2 OF OUR PRODUCTS using Code MAD10OFF. The Massive Audio F3 1" Screw On Bi-Radial Horn boats excellent off-axis consistency for smooth and clear high frequency reproduction. The F3 flare works in conjunction with Massive Audio PAT SERIES compression drivers for perfect dispersion of high frequencies 60 x 40 dispersion, 160mm x 145mm x 103mm, 1" Screw On, Ideal for Sound reproduction in small, medium and large-size environments. Optimized to increase directivity which raises max SPL. Heavy Duty ABS Material, Improve loading of the driver which magnifies efficiency.